feat: Integrate Firebase Cloud Messaging for push notifications; add service to handle token and message reception

app/src/main/java/com/rosetta/messenger/ui/theme/Type.kt

@@ -6,33 +6,73 @@ import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.sp
 
+/**
+ * Telegram-inspired typography system
+ * Based on Telegram Android typography with system default font (Roboto)
+ */
 val Typography = Typography(
+    // Основной текст сообщений (как в Telegram: 16sp)
     bodyLarge = TextStyle(
         fontFamily = FontFamily.Default,
         fontWeight = FontWeight.Normal,
         fontSize = 16.sp,
-        lineHeight = 24.sp,
-        letterSpacing = 0.5.sp
-    ),
-    titleLarge = TextStyle(
-        fontFamily = FontFamily.Default,
-        fontWeight = FontWeight.Bold,
-        fontSize = 28.sp,
-        lineHeight = 34.sp,
+        lineHeight = 22.4.sp, // 1.4x
         letterSpacing = 0.sp
     ),
+    // Имя/заголовок в диалогах (17sp как в Telegram)
+    titleLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Medium,
+        fontSize = 17.sp,
+        lineHeight = 23.8.sp, // 1.4x
+        letterSpacing = 0.sp
+    ),
+    // Заголовок большой (20sp)
+    headlineLarge = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Bold,
+        fontSize = 20.sp,
+        lineHeight = 28.sp,
+        letterSpacing = 0.sp
+    ),
+    // Основной текст UI (16sp)
     bodyMedium = TextStyle(
         fontFamily = FontFamily.Default,
         fontWeight = FontWeight.Normal,
-        fontSize = 14.sp,
-        lineHeight = 20.sp,
-        letterSpacing = 0.25.sp
+        fontSize = 16.sp,
+        lineHeight = 22.4.sp, // 1.4x
+        letterSpacing = 0.sp
     ),
+    // Мелкий текст: время, статусы (13sp)
+    bodySmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 13.sp,
+        lineHeight = 18.2.sp, // 1.4x
+        letterSpacing = 0.sp
+    ),
+    // Лейбл для кнопок (14sp)
     labelLarge = TextStyle(
         fontFamily = FontFamily.Default,
-        fontWeight = FontWeight.SemiBold,
-        fontSize = 16.sp,
-        lineHeight = 24.sp,
+        fontWeight = FontWeight.Medium,
+        fontSize = 14.sp,
+        lineHeight = 20.sp,
+        letterSpacing = 0.sp
+    ),
+    // Средний лейбл (14sp)
+    labelMedium = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 14.sp,
+        lineHeight = 19.6.sp, // 1.4x
+        letterSpacing = 0.sp
+    ),
+    // Мелкий лейбл (13sp)
+    labelSmall = TextStyle(
+        fontFamily = FontFamily.Default,
+        fontWeight = FontWeight.Normal,
+        fontSize = 13.sp,
+        lineHeight = 18.2.sp, // 1.4x
         letterSpacing = 0.sp
     )
 )